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Write a query that display ename annual salary and comm from emp table
What it creates while a primary key is combined with a foreign key? It creates Parent-Child relation ship between the tables that connect them while a primary key is combined w
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
Vertical Fragmentation- Vertical fragmentation groups together only those attributes in a relation that are used jointly by various important transactions. A vertical fragment is d
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
Events4Fun is an event management company in Europe with branches in South America as well. The company is well-known for its efficiency, good-quality services, and affordable char
Define tuple variable? Tuple variables are used for comparing two tuples in the same relation. The tuple variables are explained in the from clause by way of the as clause.
What is MySQL? MySQL is a relational database management system which has eleven million installations. It can be used for both Linux and Window. Managing database includes add
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
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